<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="课程名" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入课程名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="课程详情" prop="classDetail">-->
<!--        <el-input-->
<!--          v-model="queryParams.classDetail"-->
<!--          placeholder="请输入课程详情"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item label="课时" prop="classTime">
        <el-input
          v-model="queryParams.classTime"
          placeholder="请输入课时"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="所属专业" prop="classMajor">-->
<!--        <el-input-->
<!--          v-model="queryParams.classMajor"-->
<!--          placeholder="请输入所属专业"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
<!--      <el-form-item label="所属专业" prop="classMajor">-->
<!--        <el-select v-model="queryParams.classMajor" placeholder="请选择所属专业" clearable>-->
<!--          <el-option-->
<!--            v-for="dict in dict.type.sys_majors"-->
<!--            :key="dict.value"-->
<!--            :label="dict.label"-->
<!--            :value="dict.value"-->
<!--          />-->
<!--        </el-select>-->
<!--      </el-form-item>-->
      <el-form-item label="学分" prop="classCrs">
        <el-input
          v-model="queryParams.classCrs"
          placeholder="请输入学分"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="教师id" prop="teacherId">-->
<!--        <el-input-->
<!--          v-model="queryParams.teacherId"-->
<!--          placeholder="请输入教师id"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item label="文档个数" prop="classNumber">
        <el-input
          v-model="queryParams.classNumber"
          placeholder="请输入文档个数"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi=""
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['class:classes:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['class:classes:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['class:classes:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="classesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="课程id" align="center" prop="class_id" />
      <el-table-column label="课程名" align="center" prop="class_name" />
      <el-table-column label="课程详情" align="center" prop="class_detail" />
      <el-table-column label="课时" align="center" prop="class_time" />
<!--      <el-table-column label="所属专业" align="center" prop="class_major" />-->
      <el-table-column label="所属专业" align="center" prop="classMajor">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_majors" :value="scope.row.dept_name"/>
        </template>
      </el-table-column>
      <el-table-column label="学分" align="center" prop="class_crs" />
      <el-table-column label="教师名称" align="center" prop="user_name" />
<!--      <el-table-column label="文件路径" align="center" prop="class_file" />-->
      <el-table-column label="文档个数" align="center" prop="class_number" />
      <el-table-column label="课程人数" align="center" prop="student_count" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['class:classes:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['class:classes:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改课程管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="课程名" prop="className">
          <el-input v-model="form.className" placeholder="请输入课程名" />
        </el-form-item>
        <el-form-item label="课程详情" prop="classDetail">
          <el-input v-model="form.classDetail" placeholder="请输入课程详情" />
        </el-form-item>
        <el-form-item label="课时" prop="classTime">
          <el-input v-model="form.classTime" placeholder="请输入课时" />
        </el-form-item>
<!--        <el-form-item label="所属专业" prop="classMajor">-->
<!--          <el-input v-model="form.classMajor" placeholder="请输入所属专业" />-->
<!--        </el-form-item>-->
        <el-form-item label="所属专业" prop="classMajor" >
          <el-select v-model="form.classMajor" placeholder="请选择所属专业" disabled>
            <el-option
              v-for="dict in dict.type.sys_majors"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="学分" prop="classCrs">
          <el-input v-model="form.classCrs" placeholder="请输入学分" />
        </el-form-item>
        <el-form-item label="教师id" prop="teacherId">
          <el-input v-model="form.teacherId" placeholder="请输入教师id" disabled/>
        </el-form-item>
        <el-form-item label="课程资料" prop="classFile">
          <file-upload v-model="form.classFile"/>
        </el-form-item>
        <el-form-item label="文档个数" prop="classNumber">
          <el-input v-model="form.classNumber" placeholder="请输入文档个数" />
        </el-form-item>
        <el-form-item label="试题路径" prop="classExam">
          <file-upload v-model="form.classExam"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listClasses,
  getClasses,
  delClasses,
  addClasses,
  updateClasses,
  listClasses_t,
  get_tea_info
} from "@/api/class/classes"

export default {
  name: "Classes",
  dicts: ['sys_majors'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程管理表格数据
      classesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        className: null,
        classDetail: null,
        classTime: null,
        classMajor: null,
        classCrs: null,
        teacherId: null,
        classFile: null,
        classNumber: null,
        classExam: null
      },
      // 表单参数
      form: {
        //teacherId: this.getCurrentUserId() // 直接在data中初始化
        classMajor: this.defaultmajorId || ''
      },
      // 表单校验
      rules: {
      },
      defaultmajorId: null,
      defaultTeacherId: null
    }
  },
  created() {
    this.getList()
    this.fetchDefaultmajorId()
    this.fetchDefaultTeacherId()


  },
  methods: {
    /** 查询课程管理列表 */
    getList() {
      this.loading = true
      listClasses_t(this.queryParams).then(response => {
        this.classesList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        classId: null,
        className: null,
        classDetail: null,
        classTime: null,
        classMajor: null,
        classCrs: null,
        teacherId: this.defaultTeacherId,
        classFile: null,
        classNumber: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.class_id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加课程管理"
      if (this.defaultmajorId) {
        console.log(" this.dict.type.sys_majors=", this.dict.type.sys_majors)
        console.log("this.defaultmajorId", this.defaultmajorId)
        const selectedDict = this.dict.type.sys_majors.find(

          dict => dict.value == this.defaultmajorId ,

        );
        console.log("selectedDict=",selectedDict)
        if (selectedDict) {
          this.form.classMajor = selectedDict.value;
        }
      }
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const classId = row.class_id || this.ids
      getClasses(classId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改课程管理"
      })
    },
    updatekaoti(row) {
      this.reset()
      const classId = row.class_id || this.ids
      getClasses(classId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改课程管理"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.classId != null) {
            updateClasses(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addClasses(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const classIds = row.class_id || this.ids
      console.log("row=",row)
      console.log("classIds=",classIds)
      this.$modal.confirm('是否确认删除课程管理编号为"' + classIds + '"的数据项？').then(function() {
        return delClasses(classIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('class/classes/export', {
        ...this.queryParams
      }, `classes_${new Date().getTime()}.xlsx`)
    },

    async fetchDefaultTeacherId() {
      const response = await get_tea_info()
      this.defaultTeacherId = response.user_id
      return this.defaultTeacherId
    },

    async fetchDefaultmajorId() {
      const response = await get_tea_info()
      this.defaultmajorId = response.dept_id
      return this.defaultmajorId
    }

  }
}
</script>
